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06-20-2007, 08:15 PM
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#1 |
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Pro Street Member
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Max boost on 420A?
Has anyone ran over 8 psi for an extended period of time on stock internals on the 420A? Max boost on built motor without upgraded computer and ignition system?
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Dear heavenly spirit, thank you for providing us with direct port nitrous injection, four core intercoolers, ball bearing turbos, and titanium valve springs Amen-The Fast and the Furious |
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10-04-2007, 02:28 PM
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#2 |
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Boost Addict
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Re: Max boost on 420A?
if there stock NON-forged internals, 8-9 psi is the MAX you can go
if the vehicle has forged internals, bump that shit up to 20 psi ignition and ECU isnt really that necessary for a Stock turbo car |
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12-07-2007, 06:04 AM
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#3 |
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Jr Pro Street Member
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Re: Max boost on 420A?
There are guys out there that run 12psi on stock motors with race gas, but they don't last very long. I think the record is like a year or two, and that's just doing it on the weekends. And most don't even make it that long.
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12-07-2007, 09:19 AM
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#4 |
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Super Moderator
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Re: Max boost on 420A?
we have pushed that motor to 8 psi on 91 octane, I wouldnt recommend going higher on CA piss water however.
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12-12-2007, 12:05 PM
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#5 |
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One Man Crew
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Re: Max boost on 420A?
yup, 10-12psi is my guess on the max. but then you'd lower your efficiency percentage.like running on 48-56%,lol. like safety i mean.
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 if all else fails, go custom,lol.
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